<html>
<head>
<style>
.box{width: 200px;height: 200px;background: #0a76a4}
</style>
</head>
<body>
<h2>js节流</h2>
<div class="box"></div>
<script>
let box=document.querySelector(".box")
box.addEventListener("touchmove",throttle(demo,1000))
function throttle(event,time) {
let timer=null
return function(){
if(!timer){
timer=setTimeout(()=>{
event()
timer=null
},time)
}
}
}
function demo(){
console.log("发起请求")
}
</script>
</body>
</html>
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